Check out this slideshow about live patching of the Linux kernel using kGraft.* Vojtech Pavlik, the Director of SUSE labs, lays out some important info such as: Why live patching is so much better than rebooting — especially for mission-critical servers How kGraft works Limitations of kGraft He also includes excellent details about Exactly where … +read more (https://www.suse.com/communities/conversations/slideshow-live-kernel-patching-kgraft/)